Which operation results in a trinomial?
(_)(.) (+)

(4x^5 - 8x) _ (3x^2 - 8x+9)

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Which term best describes the association between variables a and b

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?